根的分佈 的英文怎麼說

中文拼音 [gēndefēn]
根的分佈 英文
root distridution
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : 4次方是 The fourth power of 2 is direction
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. In the course of studying the fibre parameter in different development period, it was discovered that the rod density increased from the top to the middle of the boule

    考察纖維參數在不同生長階段規律發現,從頂部到中段纖維密度增大,從中部到部纖維密度基本不變化。
  2. In this paper, we investigated the fruits and seeds in detail from yunnan in the age of miocene and from shanxi in the age of pliocene. 1. a miocene flora of fruits and seeds is reported from a brown coal mine, named as mangdan, in western yunnan, sw china

    本論文首次對我國雲南和山西晚第三紀果實和種子進行專門研究,並據它們對應現存最近親緣植物及生態特徵析和重建了當時當地古植被、古環境和古氣候。
  3. The conodont fauna of late permian to early triassic from yangou section in leping area, jiangxi province was discussed in this paper. all of the conodont individuals founded in this section were listed in a figure. according to the distribution of the important conodont elements, this section was divided into three conodont zones from the upper permian to the lower triassic

    討論了贛中樂平地區沿溝剖面上二疊統至下三疊統地層牙形石動物群,列出了牙形石各個形態屬種在地層中及其數量變化。據特徵牙形石地層,將該段地層自下而上劃為3個牙形石帶,別是:
  4. The main results obtained were summarized as follows : 1. a hydroponics culture was conducted to study the effect of copper ( cu ) on growth, yield and cu uptake of three ecotypes of e. splendens and one e. argyi

    在銅脅迫下,銅在海州香薷中特徵為:系葉片莖稈,部銅含量可達1394 - 2294mgkg ~ ( - 1 ) 。
  5. Some of the more pertinent variables include the relative wind, the type of terrain onto which the flammable fluid has drained, the fuel distribution, the location of the fuel spillage within the aircraft, the number of structural openings ( designed or crash produced ) that meter the inflowing air available for an internal fire, and the amount of fuel available to spill

    某些更重要因素,包括相應風速,油料瀉溢地面狀況,油料,飛機內油料外溢位置,據結構上開口數量(設計上與墜機造成)來計算灌入空氣是否會造成內部火災,以及可能外瀉油料量。
  6. Based on the analyses of scheduling strategy and scheduling framework of tao ( the ace orb ), this paper studies the real - time scheduling and management of global priory in droce : how to determine the global priory of the dro ( distributed real - time object ) according to its timeliness and level of importance ; logical presentation and transparent transfer of the global priory ; the consistent mapping from global priory to local server priory ; the prevention of priory inversion, etc.

    本文在析tao調度服務調度策略和調度框架基礎上,研究了實時環境下全局優先級調度和管理:即如何實時應用時間特性和重要程度確定實時應用對象全局優先級別;全局優先級邏輯表示與透明傳遞;全局優先級與服務器局部優先級一致性映射;防止優先級反轉等問題。
  7. According to the characteristics of the human pronunciation and the speech spectrum distribution in the time - frequency dimension, the paper finds out that there is a shortcoming of the speech enhancement system which is based on the masking properties of human auditory

    據人發音特點,通過析語音語譜在時-頻域,發現把聽覺掩蔽效應應用於語音增強時存在不足之處。
  8. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上運移方向和在時間上運移期次;通過對儲集層段發育特徵和控制因素研究,預測了本區主要儲集層段在橫向上和縱向上規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統區域蓋層和直接蓋層微孔隙特徵進行了定量評價,並結合水文地質特徵,指出有利於油氣保存地區;據區內存在各種圈閉類型,對可能存在油氣藏進行了類,並試圖從油氣生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。
  9. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬析,較為系統研究了混凝土拱壩施工期和運行期溫度場、徐變應力場規律,在析中按照混凝土拱壩施工過程,考慮了混凝土層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度變化、混凝土徐變、自生體積變形等因素對壩體溫度應力影響。
  10. On the basis of speeches made by experts in the symposium on main agriculture products supply and demand prospects and structure optimization, 6 points of suggestion have been drawn conclusion, which is as follows : 1. include the optimizing agriculture structure and improving agriculture products quality in the key agenda of agriculture and rural economy working ; 2. enhance macro - conditioner of the government in practice, and effectively bring the economy cooperated organization of peasants into playing a bridge role aiming at market demands ; 3. carry out the working of high quality agriculture products zoning in a whole country, set up and consolidate the high quality agriculture products producing bases, and put into effects of the famous brana strategy of high quality agriculture products ; 4. according to the distribution of agriculture products consumer market, adjust and optimize agriculture products cropping structure, and snatch the chance to adjust export trade policy ; 5. according agro - business managing manner to organizing agriculture production, practically improve the level of agriculture products processing value ; 6. never slacken our efforts to produce grains

    在「主要農產品供需前景與結構優化研討會」專家發言基礎上,整理了六點建議:把優化農業結構和提高農產品質量列入農業和農村經濟工作重要議事日程;以市場需求為導向,切實加強政府宏觀調控,有效發揮農民合作經濟組織中介作用;開展全國范圍內優質農產品區劃工作,建立和鞏固優質農產品生產基地,實施農產品優質品牌戰略;據農產品消費市場,調整和優化農產品區域種植結構,不失時機地調整出口貿易策略;按產業化經營方式組織農業生產,切實提高我國農產品加工值水平;絕不放鬆糧食生產。
  11. On the one side, the transportation demands of a city are decided by the urban form ; on the other side, some transportation performance indexes, such as mobility, accessibility and commuting time also could influence the urban form profoundly

    一方面,城市形態是構成城市交通需求源,它們對于城市交通量大小、交通源以及對交通工具選擇都有非常重要影響,往往從宏觀上決定了城市交通系統結構和基礎。
  12. Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed

    超過臨界深度地下水,在蒸發作用下,將鹽帶至地表或層累積下來,形成鹽漬化土壤或鹽土、堿土。
  13. Based on the data of vector topographic map, the geomorphologic evolution stage of csmasp is studied with the aid of maplnfo and arc view. it is indicated that the research area is in the middle age and old age according to the davisan stage determine of geomorphologic evolution. the uplift and denuded amount in the period of neo - tectonics and the elevation of denudation surface of lincheng period ( mainly in quaternary ) are also discussed

    據高程析結果,認為魯中南山地主要處于流域地貌發育壯年、晚年期,並對魯中南山地第四紀構造抬升量與侵蝕速率、各流域臨城期山麓剝夷面高度等相關問題進行了理論探討,從理論上證明了魯中期剝夷面難以存在。
  14. Distribution of fine roots in a mixed cunninghamia lanceolata tsoongiodendron odorum plantation

    杉木觀光木混交林細根的分佈
  15. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區,水是樹木生長發育主要限制因子.特徵由於反映了樹木對環境條件利用程度而具有更加特殊生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致刺槐林調查了特徵.系垂直特徵調查結果表明,在所有立地上,系生物量隨著深度增加而降低,其中細根的分佈深度大於粗根的分佈深度.方差析結果表明:不同立地上不同徑級特徵也有明顯差別,粗是差異存在主要原因,陰坡立地上系生物量,特別是細生物量大於陽坡立地上.對系消弱系數析結果表明,陰坡立地上系消弱系數大於0 . 982 ,而陽坡立地上系消弱系數小於0 . 982 ,說明陰坡立地上刺槐生物量在深層土壤中相對量更大一些.其中細系消弱系數大於粗,這種特徵有利於系對深層土壤水吸收利用,進而促進樹木地上部生長發育.圖3表3參15
  16. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區,水是樹木生長發育主要限制因子.特徵由於反映了樹木對環境條件利用程度而具有更加特殊生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致刺槐林調查了特徵.系垂直特徵調查結果表明,在所有立地上,系生物量隨著深度增加而降低,其中細根的分佈深度大於粗根的分佈深度.方差析結果表明:不同立地上不同徑級特徵也有明顯差別,粗是差異存在主要原因,陰坡立地上系生物量,特別是細生物量大於陽坡立地上.對系消弱系數析結果表明,陰坡立地上系消弱系數大於0 . 982 ,而陽坡立地上系消弱系數小於0 . 982 ,說明陰坡立地上刺槐生物量在深層土壤中相對量更大一些.其中細系消弱系數大於粗,這種特徵有利於系對深層土壤水吸收利用,進而促進樹木地上部生長發育.圖3表3參15
  17. On the distribution of the primitive root module n

    根的分佈
  18. These papers aim to investigate the distribute of rfde with delays and the asymptotic behavior of its solutions

    本文就時滯微系統特徵根的分佈及其解漸近行為作了一些研究,並得出了一些結論。
  19. In [ 1 ], the author investigated rf here and nfde with delays where detcm the author has established theorems of their eigenvalue distribution

    文獻[ 1 ]中,作者就時滯微方程其中和時滯中立型微方程其中,給出了特徵根的分佈定理。
  20. The method that simple cubic equation was changed from general to standard was introduced and the distribution of standardized real root was illustrated, which solved the problem of the distribution of any real root for simple cubic equation

    摘要介紹了一元三次方程一般式化為標準式方法,結合圖形給出了標準式實數根的分佈情況,從而解決了任意一元三次方程實數根的分佈問題。
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